What is Mary Sieve's NPI number?

Mary Sieve's National Provider Identifier (NPI) is 1245121086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Sieve's specialty?

Mary Sieve is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Mary Sieve located?

Mary Sieve's practice location on file with NPPES is 2501 W 22nd St, Sioux Falls, SD 57105-1305.

What is Mary Sieve's phone number?

The practice phone number listed in the NPPES registry for Mary Sieve is (605) 336-3230.

Is Mary Sieve's NPI active?

Yes — Mary Sieve's NPI (1245121086) is active in the NPPES registry as of the last update on 2025-07-10.

IndividualActive

Mary Sieve

NPI 1245121086 · Pharmacist · Sioux Falls, SD

Mary Sieve is a Pharmacist provider in Sioux Falls, SD (NPI 1245121086).

Provider details

NPI number: 1245121086
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Female
Sole proprietor: No
License: 7279 (SD)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 7279 (SD)
Pharmacy Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2501 W 22nd St

Sioux Falls, SD 57105-1305

Phone: (605) 336-3230

Street-level locationGet directions

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Mailing address